Home / 3,370.40-5,048.90-2,636.54

Finding the Fourth Proportional to 3,370.40, 5,048.90 and 2,636.54

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Solution

The fourth proportional to 3,370.40, 5,048.90 and 2,636.54 is: 3,949.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.40 : 5,048.90 = 2,636.54 : x
  2. Step 2: Convert to fraction form
    3,370.40/5,048.90 = 2,636.54/x
  3. Step 3: Cross multiply
    3,370.40x = 5,048.90 × 2,636.54
  4. Step 4: Simplify right side
    3,370.40x = 13,311,588.38
  5. Step 5: Solve for x
    x = 13,311,588.38/3,370.40
  6. Step 6: Final answer
    x = 3,949.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.